Official sources for paper, demo and replay workflows

The selected evidence was checked on 17 October 2026. We did not authenticate provider accounts, open brokerage accounts or place real orders.

Download provider research (JSON)

• Alpaca paper environment and fill limitations
  Checked 2026-10-17
• TradingView paper account functionality
  Checked 2026-10-17
• IBKR paper account, API and simulator limitations
  Checked 2026-10-17
• Schwab paperMoney and guest-pass access
  Checked 2026-10-17
• Webull new and legacy paper systems
  Checked 2026-10-17
• NinjaTrader8 simulator
  Checked 2026-10-17
• NinjaTrader8 playback
  Checked 2026-10-17
• MetaTrader5 demo accounts
  Checked 2026-10-17
• ForexTester Online replay workflow
  Checked 2026-10-17